Malicious PDF — malware analysis report

Static analysis result for SHA-256 3d3e3f35623dc713…

MALICIOUS

PDF

41.0 KB Created: 2020-08-02 10:50:11 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 45e719c0c43667534077b2b235397f41 SHA-1: aad34d18b5dd412b6f41c1870cdc8d0c4ada49cf SHA-256: 3d3e3f35623dc713873328f8914fa9805ad1d6a07f2f0f20bdd9411de9ce5d99
234 Risk Score

Malware Insights

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

The PDF contains a link farm and a specific malicious redirector URL, indicating a lure to a potentially harmful site. The heuristic 'SE_PAYMENT_REDIRECT_LURE' suggests the content is designed to trick users into believing it's related to financial information, such as bank routing numbers. The primary malicious URL is https://ttraff.cc/pify?keyword=tcfbank+routing+number, which is likely used to redirect the user to a phishing or malware distribution site.

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.
  • Payment redirection / bank-detail change lure high SE_PAYMENT_REDIRECT_LURE
    Document describes new or changed bank, wire, ACH, IBAN, SWIFT, or routing instructions — a high-value business-email-compromise pattern
  • 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.cc/pify?keyword=tcfbank+routing+number In PDF document text
    • http://files.sunwardtours.com/uploads/1/3/0/8/130874055/0563a.pdfIn PDF document text
    • http://files.thecontainerfactory.com/uploads/1/3/1/4/131406337/490a526f4e.pdfIn PDF document text
    • http://files.thewanderingbays.com/uploads/1/3/1/0/131070112/rukavijeb_biziwet_buxaninumef.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/1/0433/5190/0310/files/56788481553.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/9820/0481/files/rivefikogevibu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/646255477.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/4312/7447/files/relapeg.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/6631/8230/files/24889285525.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/6186/2810/files/gozedepuwipedizus.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/3776/9384/files/google_e7_bf_bb_e8_ad_af.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/1121/1425/files/41718099783.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/5789/7882/files/divudemevurutopa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/5671/7205/files/85571356861.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/5205/7244/files/41848163191.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/56773010908.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9314/8313/files/fiderezebut.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/9901/2763/files/40893718894.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
🗂 Part of campaign: acherrymoon.com 5 samples

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006063.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6063 5144 bytes
SHA-256: 8b644897c06b798b87afa9355f8803d1931863f2d20a4efb6fd3ebb3ee7737e4
font_01_sfnt_off000071e2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x71E2 12072 bytes
SHA-256: 918a5f3f9cedf76d689dd1e80658ee5c8948e0507fbe3656477ece39cd0450a9