MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a critical heuristic firing for linking to known malicious redirector infrastructure, specifically `https://ttraff.ru/pify?keyword=cuales+son+los+derechos+de+los+ni%25C3%25B1os+en+colombia+pdf`. The document body, though heavily corrupted, contains fragments of this URL and suggests a lure related to children's rights in Colombia. The presence of numerous other PDF links, many hosted on Shopify, indicates a potential link farm or SEO poisoning attempt to distribute malicious content. No scripts were extracted from this sample.
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.ru/pify?keyword=cuales+son+los+derechos+de+los+ni%25C3%25B1os+en+colombia+pdf In PDF document text
- http://files.dualcredit23.com/uploads/1/3/1/4/131483361/xavezitizawu_kujadewonutov.pdfIn PDF document text
- http://pozak.edgeofhell.com/uploads/1/3/1/4/131438137/8024136.pdfIn PDF document text
- http://files.michellevanlare.com/uploads/1/3/0/9/130969603/jitisunagejekavob.pdfIn PDF document text
- http://files.sri.vn/uploads/1/3/1/8/131856050/6186648.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/1/0436/4258/5241/files/10166571485.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/6869/3411/files/blueprint_homeschooling.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3532/7653/files/corpse_bride_victor_s_piano_solo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9819/3573/files/foxit_editor_full.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/mutim.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/tiwimuz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9703/0817/files/95327745256.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0778/6657/files/65241974205.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/4775/3640/files/55021225652.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9306/5881/files/manual_and_automation_testing_interview_questions.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0832/6812/files/pepozogosaxunimana.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/3259/8938/files/pasadena_weather_10_day.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/72518400380.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00007153.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7153 | 5652 bytes |
SHA-256: 6252de0fb26f44c43027020595d1323092b1e8ecb1db34bf587259e9ef52b87b |
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font_01_sfnt_off0000840e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x840E | 11240 bytes |
SHA-256: e3deed1fa66154cf10466cba62ed83a849d9053aad436350b8f7a9c22f472933 |
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