MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged as malicious by a machine learning classifier and contains a critical heuristic indicating it links to known malicious redirector infrastructure. Additionally, it exhibits a PDF link farm pattern with numerous embedded URLs, many hosted on cdn.shopify.com, but one critical URL points to a redirector. The document body, though heavily obfuscated, contains the malicious URL and appears to be a lure for a manual, likely to trick users into clicking the malicious links.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF 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.
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall 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.
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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF 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.
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe 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.
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Embedded URL info EMBEDDED_URLOne 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=dir-+655+manual In PDF document text
- http://files.craftyfoxx.com/uploads/1/3/1/1/131164033/4611064.pdfIn PDF document text
- http://files.thecoderecords.com/uploads/1/3/0/8/130814121/pegefoxavalof_susozewuvo_winokawege.pdfIn PDF document text
- http://files.outloudtheatre.org/uploads/1/3/1/4/131407102/kibojuv_woralefokaselig.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/1/0440/3278/6597/files/63498447249.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6726/0582/files/25546056539.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/2689/8344/files/zebisokipagufonu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8804/4447/files/fexulunu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3731/0626/files/safajararunokevavuk.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0450/4177/8838/files/advanced_calculus_for_applications_hildebrand.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/0754/8326/files/classic_warrior_talents.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0406/6983/files/sedatexixifimijerunidevex.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0378/1015/files/51049269986.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/8725/0087/files/44976389112.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/1411/1903/files/jasafebofopuzenoramirid.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/1604/5222/files/50461049009.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2961/1171/files/gamebar_presence_writer.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.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005f78.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5F78 | 2960 bytes |
SHA-256: 3c6502e04658d985b37ed967139d4b1bb7136c1c8ff06868e6b64c17630b7d50 |
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font_01_sfnt_off000069fb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x69FB | 4960 bytes |
SHA-256: 749c9c4806df8944fde628a2bf15cd023a3e712608e6890bfea48e05bb1bc7ff |
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font_02_sfnt_off00007ad1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7AD1 | 10076 bytes |
SHA-256: aa72531b4d1f451b2a7e6ef44c270e331c096050280fb7092b132373701f418a |
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