MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains numerous embedded links, with one specifically pointing to a known malicious redirector. The heuristic 'PDF_MALICIOUS_REDIRECTOR_LINK' confirms this, indicating the document's primary purpose is to lead users to harmful sites. The 'PDF_SEO_LINK_FARM' heuristic further suggests a large-scale distribution effort. No scripts were extracted, but the presence of malicious links is sufficient evidence for the attack pattern.
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=trastorno+alimenticio+rumiacion+pdf In PDF document text
- http://files.eins-sci.com/uploads/1/3/2/7/132740958/mutipan-rugugewijad-devumegav-moxenaketifis.pdfIn PDF document text
- http://files.erinmillermassage.com.au/uploads/1/3/1/8/131871648/segolafed_kenewakopap_wofabeposaragok_sezigepuxazali.pdfIn PDF document text
- http://files.360signs.com/uploads/1/3/1/8/131857565/850683.pdfIn PDF document text
- http://files.uncconsultingclub.com/uploads/1/3/1/3/131383681/2626560.pdfIn PDF document text
- http://files.carolannliaros.com/uploads/1/3/1/4/131438611/4423510.pdfIn PDF document text
- http://files.wiganhandyman.co.uk/uploads/1/3/1/4/131406480/72e3aa57bc3e55.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://pefowewepev746757978.files.wordpress.com/2020/06/gorogijeviruxazexe.pdfIn PDF document text
- https://sudumol.files.wordpress.com/2020/06/nepesodurizota.pdfIn PDF document text
- https://suxeniruwip.files.wordpress.com/2020/06/71685493870.pdfIn PDF document text
- https://feruvef.files.wordpress.com/2020/06/fosoko.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7651/8049/files/4632059318.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9775/1709/files/21176399377.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5340/7646/files/zakolu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/5165/6102/files/luwogonazifutepabawaluto.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7058/7029/files/xupoperowuxovin.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/65233410578.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/xuxovozukirofavekejob.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9754/7157/files/37138472585.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2937/2832/files/74601805570.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_off00007749.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7749 | 5132 bytes |
SHA-256: 7228220f45b0ae9e70315740819546ac6ff3a95e52f5fc6039aa28de20269d73 |
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font_01_sfnt_off0000889b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x889B | 10584 bytes |
SHA-256: 0d6504d5dbd57003de0be09ec25f414ea644a54c86cf5a9e9957b5e95e8d1047 |
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