Malicious PDF — malware analysis report

Static analysis result for SHA-256 4d8e2e7e1e035991…

MALICIOUS

PDF

45.0 KB Created: 2020-08-22 12:59:58 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 47448e222a1b6fae1437030c27248110 SHA-1: 52f3e4d197f5d54ee1ae1152801e24e269f97f00 SHA-256: 4d8e2e7e1e03599128b59da439a57967c50c822f1220916176239f28ff8a068a
194 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links, many pointing to shopify.com domains, but one critical link directs to a known malicious redirector. The document body, though heavily obfuscated, contains the text "Autocad electrical drawings pdf" and the malicious URL, suggesting a lure to a phishing or malware distribution site. The presence of a malicious redirector link indicates the primary goal is to lead the user to a compromised or malicious resource.

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=autocad+electrical+drawings+pdf In PDF document text
    • http://files.absurdalternative.com/uploads/1/3/0/8/130814001/8308955.pdfIn PDF document text
    • http://files.mezfantasypublishing.com/uploads/1/3/1/0/131070792/1273510.pdfIn PDF document text
    • http://zorax.studiobmontana.com/uploads/1/3/2/8/132814930/4554370.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/1/0433/2873/3352/files/95448594396.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/5038/5051/files/74064694873.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/2417/0664/files/rawikuva.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/8672/5795/files/95406364568.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/7339/7145/files/95264590749.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/3689/2584/files/11526293073.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/6137/1290/files/97016214192.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/26225030347.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/2350/6336/files/kegilikixivakosugane.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/2656/9633/files/rafadod.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/7641/8720/files/44953501485.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 5

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_off000071a8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x71A8 5404 bytes
SHA-256: eadd5ea28025a80e6be16bd329e48aabd08d3e87443b0dc671b2b6baa81bd976
font_01_sfnt_off0000842a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x842A 10352 bytes
SHA-256: a02142123d021c18e89e6810cff65c96cced07fa14e6804bd2e46022bbcdee2e

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