Malicious PDF — malware analysis report

Static analysis result for SHA-256 d78e1ff2b9feeba9…

MALICIOUS

PDF

51.5 KB Created: 2020-07-31 13:28:07 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: adb1f72ac71bf17d6b14d1c3d9d4f661 SHA-1: 3f1abe7b047de71dd120f52bb54350ae0db87f63 SHA-256: d78e1ff2b9feeba985ece5057b3cd60356b09f87ce373433da67685557b4825b
194 Risk Score

Malware Insights

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

The PDF contains a heuristic firing for PDF_MALICIOUS_REDIRECTOR_LINK, indicating it directs users to malicious infrastructure via the URL https://ttraff.cc/pify?keyword=1956+constitution+of+pakistan+in+english+pdf. Additionally, PDF_SEO_LINK_FARM indicates a mass of external PDF links, with the first being https://cdn.shopify.com/s/files/1/0429/5216/3482/files/foxomisidetewagobuju.pdf. The ML classifier also flagged this PDF with high confidence. These factors suggest a phishing or redirection 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.cc/pify?keyword=1956+constitution+of+pakistan+in+english+pdf In PDF document text
    • http://files.magdalenevii.com/uploads/1/3/0/7/130775172/fokelaxadix-dosonazozir-fizare.pdfIn PDF document text
    • http://files.francisweller.net/uploads/1/3/1/3/131383959/xuzola.pdfIn PDF document text
    • http://files.natashabrussell.com/uploads/1/3/1/4/131411411/mumiwamalazozi.pdfIn PDF document text
    • http://files.vernonvtmusic.org/uploads/1/3/1/4/131454272/5245559.pdfIn PDF document text
    • http://files.lightsoutbaltimore.org/uploads/1/3/0/7/130775342/tizigulowoloxu.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/1/0429/5216/3482/files/foxomisidetewagobuju.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/3419/7666/files/lorodoginet.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1656/0550/files/15270339821.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/0446/0188/files/joworag.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/13534048661.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/5757/8137/files/49964418464.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/tikumakosesik.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/7709/8910/files/72834799747.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/8367/7339/files/66975467269.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00008abd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8ABD 5660 bytes
SHA-256: cac7342955e30ef7cf0dd9223f723e2c4ad8ff1c78b00cb84ffe549966067dd6
font_01_sfnt_off00009df9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9DF9 10100 bytes
SHA-256: a9180506bfc0dade07323d47b2d37722d16139202c33152cf4d2818ee8c53c1a

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