Malicious PDF — malware analysis report

Static analysis result for SHA-256 34b8f5ea81e2c94c…

MALICIOUS

PDF

47.4 KB Created: 2020-08-02 07:58:36 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 7653132bca517402c9c6c04eaa6a60fc SHA-1: a1c9f6ddd373cdeb3875d600f932d9276ea895bc SHA-256: 34b8f5ea81e2c94caccc6cac99c13cf0de437af4a184e9323629bb760638ca6c
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell T1204.002 Malicious Link

The PDF contains a lure for an advance-fee scam, specifically mentioning a "Verizon points auction" and embedding a link to a redirector. The document's structure and embedded links suggest it is designed to trick users into visiting malicious sites. The primary malicious IOC is the redirector URL, which likely leads to further stages of the attack.

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=verizon+points+auction In PDF document text
    • http://files.smart-homesolutionsllc.com/uploads/1/3/2/7/132712120/9570458.pdfIn PDF document text
    • http://files.antidemalta.org/uploads/1/3/0/8/130873838/2d2581d.pdfIn PDF document text
    • http://files.herefordshirefencingclub.co.uk/uploads/1/3/1/6/131637211/3576958.pdfIn PDF document text
    • http://files.littlecharliesbakeshop.com/uploads/1/3/0/8/130814935/6067749.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/1/0429/0609/1673/files/48749038601.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/2631/7473/files/rijud.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/9648/2727/files/haynes_the_bike_book_download.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/8833/9354/files/ropedigalilupodorurevejed.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/1014/6983/files/94093775970.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/7984/2457/files/dejofapolesabixolifasemal.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/9384/3358/files/56327064974.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/5752/1574/files/40415274911.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7482/2044/files/jasmine_s_bolivar_mo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/9587/5989/files/maruvitumiselaj.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/7130/5896/files/jatuwanunubek.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/5187/5494/files/75634536016.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0392/7973/files/duzelexage.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9167/3763/files/79833118057.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

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006df8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6DF8 4792 bytes
SHA-256: 76f85dda10b83addb54e8b6b6e0ef9c177bdf0ac1009113d1f0cf20e7897cdd1
font_01_sfnt_off00007e52.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7E52 10572 bytes
SHA-256: 89f9ea66d9b189cdcb2a369c4f4db19e5affe9e25e30d81c01e20e9df9107fd1
font_02_sfnt_off0000a28c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xA28C 4324 bytes
SHA-256: 05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176