MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a mass external link farm, with many links pointing to Shopify domains hosting other PDFs. One critical heuristic indicates a malicious redirector link, specifically 'https://ttraff.cc/pify?keyword=darkest+dungeon+endless+harvest+guide', which is likely used to obscure the final malicious destination. The document body, though partially corrupted, contains text related to a game guide, suggesting a lure to entice users to click the malicious links. The ML classifier strongly flagged this PDF as malicious.
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=darkest+dungeon+endless+harvest+guide In PDF document text
- http://files.confessionsofanerd.com/uploads/1/3/1/3/131383657/tiwuva.pdfIn PDF document text
- http://putaxo.dayspring7.com/uploads/1/3/1/4/131453133/kapuwiniwasigad_nasaxanozuwu_betafew.pdfIn PDF document text
- http://files.cchsmo.org/uploads/1/3/0/7/130738917/066151.pdfIn PDF document text
- http://sovem.emateria.com/uploads/1/3/0/7/130776255/5678706.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://cdn.shopify.com/s/files/1/0437/0530/3205/files/korugukiwapipun.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/1088/2727/files/tibevimofupenike.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0636/9703/files/autobiography_of_a_yogi_book_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0842/5123/files/kogupuvebubalopotexerif.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6043/6896/files/bangla_kobita_book_free_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9105/1161/files/41471609369.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0454/2480/3996/files/soul_brothers_music_free.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7389/6602/files/pavofabuzabezat.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2190/1729/files/association_of_former_students_tailgate.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4375/7992/files/7678080731.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0448/3586/4736/files/excel_lookup_worksheet_based_on_cell_value.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0702/5056/files/css_helvetica_neue.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_off00008eae.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8EAE | 5092 bytes |
SHA-256: 6b1163a34d4a67fb2335f6279c352c7bd3fb4d4256f0b0bbc1ba067bdb1b1fb9 |
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font_01_sfnt_off00009ffc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9FFC | 10420 bytes |
SHA-256: b579c4a2f439bbe113e309f486a6ef6ff3237f5e813a15519358c13184cd1e81 |
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font_02_sfnt_off0000c38f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC38F | 4324 bytes |
SHA-256: 9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2 |
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