Malicious PDF — malware analysis report

Static analysis result for SHA-256 2fa4fa2e54452bc8…

MALICIOUS

PDF

47.0 KB Created: 2020-07-31 17:10:17 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: cf5e83b2cea8a387ba79db569ed30cd8 SHA-1: 29e749933d1d405daa1868a328d428561f219d5e SHA-256: 2fa4fa2e54452bc893e6d52901a9c75a5dc3939ddd7de9538610aa63741986ea
242 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains multiple heuristics indicating malicious intent, including links to known malicious redirectors and a link farm designed to obscure the true destination. The document body, though heavily obfuscated, contains URLs that are part of this redirection scheme. The primary redirector URL is https://ttraff.ru/pify?keyword=inkscape+pdf+to+dxf, which likely serves as a lure for users to download further malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 7

  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINK
    PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
  • Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
    PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
    The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL https://ttraff.ru/pify?keyword=inkscape+pdf+to+dxf In PDF document text
    • http://files.kathrynemyoung.com/uploads/1/3/1/0/131071076/porewuvofadaxa.pdfIn PDF document text
    • http://files.wealthynationinstitute.com/uploads/1/3/0/8/130874678/ramifunujubibamase.pdfIn PDF document text
    • http://files.therobertabadydogfoodcoltd.com/uploads/1/3/0/7/130739081/b4ac6c1a3459236.pdfIn PDF document text
    • http://files.technicalserviceprovidernetwork.org/uploads/1/3/1/4/131482886/2783992.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0440/3613/files/94180857191.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/3040/5535/files/zoxuvapapuwi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/2067/3433/files/5213720969.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/6971/9196/files/pezotetapekiranesutivumis.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6377/9240/files/52891758525.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/5658/5121/files/noginev.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1498/7669/files/57593298254.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/1739/5614/files/86241942789.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7543/6698/files/xiwesibuzix.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6470/4662/files/58171151853.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8117/9037/files/20130621199.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/4335/4781/files/97623047283.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0846/6845/files/zopixoritanupumesexejozu.pdfIn PDF document text
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
    • http://purl.org/dc/elements/1.1/In PDF document text
    • http://ns.adobe.com/pdf/1.3/In PDF document text
    • http://ns.adobe.com/xap/1.0/In PDF document text
    • http://ns.adobe.com/xap/1.0/mm/In PDF document text
    • http://ns.adobe.com/xap/1.0/rights/In PDF document text
    • http://scripts.sil.org/OFLIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006ce0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6CE0 4828 bytes
SHA-256: e342153e45a50fee11a7af3a51920f302004c8aeeb2fc6acff5573cbf91a99e1
font_01_sfnt_off00007d5a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7D5A 10476 bytes
SHA-256: 06dd0d2abe31d85c48c52767b82ead0305f7734b91b8c72c4db889b360cd3212
font_02_sfnt_off0000a13a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xA13A 4324 bytes
SHA-256: a542ec26cea93e049a2e27cd59b1347dd9bbdea13775fd7b822b3c2b3136116f

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