MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by multiple critical heuristics indicating malicious redirector links and a link farm. The document body contains a URL that leads to a known malicious redirector, and numerous other links point to Shopify domains, likely part of a SEO-based link farm designed to obscure the final malicious destination. The ML classifier also strongly indicated maliciousness.
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.com/pify?keyword=chinnamasta+kali+photo In PDF document text
- http://files.father-son-holy-spirit.com/uploads/1/3/1/6/131606901/af9ae0de619cc7.pdfIn PDF document text
- http://piserolu.samkaestner.com/uploads/1/3/1/4/131407558/9604320.pdfIn PDF document text
- http://files.brickwallcoach.com/uploads/1/3/1/8/131856949/1322816.pdfIn PDF document text
- http://wofipele.theexpatspeechie.com/uploads/1/3/1/3/131381241/rofisejeben-gogumefovot-zusuzuwolujenu-foromudovu.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://fedorahosted.org/lohitIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/34007792176.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/9440/8357/files/aieea_ug_2019_hall_ticket.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/3374/7878/files/pesitojiwunadon.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/6670/4550/files/xusezedoborazuwiv.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6787/5228/files/misivikorupot.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/7219/8558/files/gasozijexotelit.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0459/1271/files/english_vocabulary_words_with_pictures.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/0731/7912/files/engine_damage_report_sample.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3105/1931/files/50596831528.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9291/8937/files/rigufetonixibewado.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/0885/2117/files/25669117006.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2269/6096/files/83991822165.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5244/9444/files/gokam.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_off0000f084.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF084 | 4932 bytes |
SHA-256: 7910f83a01c140702ca34f8127b67ce468fdb598ae0c47385685701e40a6784b |
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font_01_sfnt_off00010118.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10118 | 9940 bytes |
SHA-256: 8050554bb3215bad4907ef24053aa334731eeb5f30e9d7e9450c4b659786dfdd |
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font_02_sfnt_off00012367.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12367 | 9048 bytes |
SHA-256: dab9fbe93c7f8db4ecee16d766d49dbc533f8ff1a533f29599a6ba1695387a38 |
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