Malicious PDF — malware analysis report

Static analysis result for SHA-256 d5e832fa6e638214…

MALICIOUS

PDF

38.9 KB Created: 2020-09-17 00:17:16 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: b9a2acf07a84589dbf8f9cafd0a9bb2d SHA-1: 6ad429715587d30da49d023961c7462d8277d285 SHA-256: d5e832fa6e6382142e267564ccec9c3eaa2ec870541a225fd1238c06ad6e7211
202 Risk Score

Malware Insights

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

The PDF contains a link to a redirector URL, which is a common technique for delivering malware or phishing pages. The presence of a "download button" heuristic further supports a malicious intent to trick the user into clicking the link. The document body also contains the redirector URL and numerous other links, many hosted on cdn.shopify.com, suggesting a link farm for SEO manipulation to drive traffic to the malicious redirector.

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.link/wix?keyword=pixel+car+racer+mod+apk+v1.1.80 In PDF document text
    • http://files.everythingmotorcyclerider.com/uploads/1/3/0/7/130776268/lukaralunufekesu.pdfIn PDF document text
    • http://sovem.emateria.com/uploads/1/3/0/7/130776255/5678706.pdfIn PDF document text
    • http://files.aneveningwithrichardgale.com/uploads/1/3/0/7/130776001/fotabogavomanaz.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/1/0433/9902/0696/files/mebexak.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0447/5843/3943/files/abrsm_grade_7_theory_past_papers.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0451/0508/6616/files/bhagavad_gita_explained_in_simple_english.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1718/3130/files/signs_and_symptoms_of_coliform_infection.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8313/7178/files/80825330897.pdfIn PDF document text
    • https://04d2088e-55d4-4523-b762-6484f2faf18e.filesusr.com/ugd/9edd50_0b3c28d816804fd09bbdadd22c34fca7.pdf?index=trueIn PDF document text
    • https://6d6ac5c3-9da4-41c4-86df-32ee8cb5e031.filesusr.com/ugd/c88839_25d3cdc9ecb149cf9221981abfb3190a.pdf?index=trueIn PDF document text
    • https://7691600f-5543-48e1-83bc-5505f8d5ebb4.filesusr.com/ugd/fe83c3_760f9508edb64e579ffe6d81d72f2709.pdf?index=trueIn 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 4

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_off00005903.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5903 5656 bytes
SHA-256: f4281517b16cf4ec04f6d60264e19bb308671a92c32adb9c3b96a6a3cacf67ed
font_01_sfnt_off00006c47.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6C47 10176 bytes
SHA-256: 8d7eef24e44a0fbf87eca9eece97722dd01b19aefd5ae5565ef87006be606509

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