MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a mass external link farm, with many URLs pointing to seemingly generated PDF files. One of the primary links redirects to a known malicious infrastructure. The document body also contains the URL 'https://ttraff.cc/wb?keyword=pdf%20reader%20editor%20download', suggesting a lure to download a PDF reader, which is a common social engineering tactic.
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/wb?keyword=pdf%20reader%20editor%20download In PDF document text
- http://files.anitamerrickauthor.com/uploads/1/3/0/9/130969048/bibigak-wujejobagiva-palabegu-lapujojeru.pdfIn PDF document text
- http://files.key2evolve.com/uploads/1/3/0/8/130874318/zasabuxemer_xawapikiguromik_balasoge.pdfIn PDF document text
- http://files.abeautifulmess.net/uploads/1/3/1/3/131383467/8000483.pdfIn PDF document text
- http://files.zanyunoodles.com/uploads/1/3/0/7/130739381/sikete-wemotuta.pdfIn PDF document text
- http://files.lisaannschraffasantin.com/uploads/1/3/1/1/131163910/vifofarerebe.pdfIn PDF document text
- http://files.catherineofsienaparish.org/uploads/1/3/1/3/131398597/3307851.pdfIn PDF document text
- http://files.nlg-pros.com/uploads/1/3/0/9/130969910/katixiratowapo.pdfIn PDF document text
- http://files.rentamark.net/uploads/1/3/1/4/131408942/zoruvoserezavu_fipubutumedi_basedu.pdfIn PDF document text
- http://files.sueannecelebrant.com/uploads/1/3/1/3/131379402/8511316.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://pezelid.files.wordpress.com/2020/06/53053927336.pdfIn PDF document text
- https://jafujanile.files.wordpress.com/2020/07/66108117721.pdfIn PDF document text
- https://bupotutozis.files.wordpress.com/2020/07/99075619313.pdfIn PDF document text
- https://datigexomup.files.wordpress.com/2020/06/90205495858.pdfIn PDF document text
- https://ditokixexup.files.wordpress.com/2020/07/38561144252.pdfIn PDF document text
- https://livevunomaz.files.wordpress.com/2020/06/febutodogir.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/juxupajajivamuwiri.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/setixinojed.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/1550/4029/files/vikibozonorozu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/rinavupomun.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/94323725826.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/7387/2807/files/28906919120.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/16946396068.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_off000085e9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x85E9 | 4604 bytes |
SHA-256: 767edec8d888ff0a71d2945da18c72d6924b675b0dc158b5f995b0051d50b249 |
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font_01_sfnt_off0000959d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x959D | 10664 bytes |
SHA-256: 794e679b9d44fd4207091c00c9a2f5553cd8555e230fc796ab6c08ec7b7f8eb2 |
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