Malicious PDF — malware analysis report

Static analysis result for SHA-256 b14e05b34fa635fd…

MALICIOUS

PDF

43.4 KB Created: 2020-08-26 18:25:46 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: ac5bd5afe89ec1aa0db9766b9ad10e2c SHA-1: 445dfdf6f458c1f04e92090e20811257c5cd3387 SHA-256: b14e05b34fa635fdbc6648d9315192366ec3f05319efaa3a400c0dbb316c5f2b
202 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a malicious redirector link and a large number of external links, suggesting an attempt to drive traffic to malicious infrastructure. The presence of a download button lure further supports a phishing or scam attempt. The document body contains the malicious URL, indicating it's part of the lure.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 6

  • 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.
  • 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.me/pify?keyword=www+nyc+gov+schools+kindergarten In PDF document text
    • http://files.fyiexpress.com/uploads/1/3/1/3/131383619/3833906.pdfIn PDF document text
    • http://serifa.gncwomen.org/uploads/1/3/1/4/131453541/fabop.pdfIn PDF document text
    • http://files.amiejacobsen.com/uploads/1/3/2/6/132682124/3581689.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/6275/5490/files/42279836266.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/6232/8472/files/92842436089.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/0261/8278/files/11844514269.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/3237/0590/files/27312285745.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9105/1161/files/31315839495.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0461/8584/0803/files/gta_vice_city_stories_cso_ppsspp_and.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/2287/4781/files/ravenous_2017_movie_free.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/5335/7985/files/word_search_games_free_windows_10.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0448/0555/4337/files/free_whatsapp_messenger_uptodown.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/3203/4980/files/gabubulomofera.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0451/7930/6135/files/89556802988.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/2856/0547/files/pelunatejosotu.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 1

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

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000069fc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x69FC 5532 bytes
SHA-256: e68d5f6adbff4570b19d355909886eb0c243fca35e64b01de5f983aa91ca4034
font_01_sfnt_off00007cd5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7CD5 10360 bytes
SHA-256: d24ec8ba1e7a2b271660a9e8d3a5cfa9039d6ef4e7972b40d53d2d29a96b2eb5

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