Malicious PDF — malware analysis report

Static analysis result for SHA-256 9fdf9b52d3e3a838…

MALICIOUS

PDF

37.5 KB Created: 2020-08-19 04:16:31 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 6692d7e2a06cbfe82a7cc331c5634c01 SHA-1: edbee850485bb34624c950036cc2d9fb05c8fff1 SHA-256: 9fdf9b52d3e3a838b6898ed43460a40a2a1cbb0f6bbb079058cec0a406024d26
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains multiple embedded links, with one identified as a malicious redirector. The heuristic PDF_MALICIOUS_REDIRECTOR_LINK indicates that the link https://ttraff.com/pify?keyword=space+cowboy+guitar+pdf is part of known malicious infrastructure. The PDF_SEO_LINK_FARM heuristic further suggests a large number of external PDF links, likely for SEO manipulation or to obscure the malicious redirector. The document body is heavily obfuscated and contains the malicious URL, reinforcing the attack pattern.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 5

  • 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.
  • 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.
  • 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.com/pify?keyword=space+cowboy+guitar+pdf In PDF document text
    • http://files.patrickmcguire.org/uploads/1/3/1/6/131606605/8730414.pdfIn PDF document text
    • http://files.hereshegrowsagain.com/uploads/1/3/0/7/130775111/tagifikego.pdfIn PDF document text
    • http://files.public-school-library.com/uploads/1/3/1/4/131452867/gomavudozamet-burosibafiguv-nivuripuz-venuwutelawa.pdfIn PDF document text
    • http://files.caliraeshautespot.com/uploads/1/3/2/7/132741029/lademonodubu_wabuniparinebex_genofepuj.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/1/0431/4664/1570/files/93035180157.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/0241/3735/files/popubu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/7258/4870/files/38773792611.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0032/3478/files/chirutha_telugu_full_movie_free_hd.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/5680/8615/files/rukumiva.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/9571/8040/files/77432910243.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5476/8021/files/77907460081.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6385/2708/files/rapef.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/8806/8254/files/dexonuperuv.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/mefiwi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/9979/1268/files/53048401324.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 7

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_off00004998.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4998 5328 bytes
SHA-256: 347542ec28cfd9bdb38cff0e7845f3499b29dd4a08266e6d6d731835f498998e
font_01_sfnt_off00005bd3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5BD3 9288 bytes
SHA-256: 20eeacebea1c7c41799b5a7e65292ff360fdd1750ec6665741073f3dba6c75e9
font_02_sfnt_off00007b42.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7B42 4324 bytes
SHA-256: 05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176

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