MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 User Execution: Malicious Link
The PDF file contains a large number of links to external PDF files, many hosted on Shopify domains, which is indicative of a link farm or SEO manipulation tactic. One of the primary links, 'https://ttraff.cc/wb?keyword=influence%20and%20persuasion%20(hbr%20emotional%20intelligence%20series)', is flagged as a malicious redirector. The ML classifier also strongly indicated maliciousness. The document body is heavily obfuscated and appears to contain the URLs directly, suggesting a lure to these external sites.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
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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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External URI info PDF_URIPDF contains an external URL action
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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 http://darekom.shottowerinn.net/uploads/1/3/0/8/130814575/6898139.pdf In PDF document text
- http://files.marshallforhouse.org/uploads/1/3/0/8/130814926/4356574.pdfIn PDF document text
- http://vijejo.southernnewenglandseacadets.org/uploads/1/3/2/6/132681482/9922327.pdfIn PDF document text
- http://files.metuzekai.com/uploads/1/3/1/3/131382028/5183912.pdfIn PDF document text
- https://ttraff.cc/wb?keyword=influence%20and%20persuasion%20PDF link annotation
- https://ttraff.cc/wb?keyword=influence%20and%20persuasion%20(hbr%20emotional%20intelligence%20seriesIn 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/1/0429/2670/2755/files/lawuwozimijomigefeverus.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1865/7697/files/31350045821.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/3501/7895/files/jodufedovovevimetej.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/8501/1869/files/11448210369.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/1678/8900/files/27688907943.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/0939/1261/files/68004318332.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5382/5694/files/ximupapukoxupovuwufuzew.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/2433/3472/files/first_aid_step_3_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/5932/8662/files/xapunoninafa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/2536/7194/files/wings_of_fire_book_in_kannada_free_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7047/9766/files/17974726285.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/5453/7624/files/mots_argot_franais.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_off000063e6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x63E6 | 5680 bytes |
SHA-256: 9085a05a25719680366910ef9e4f6f3a08b600ea13b9f7b600339d33600de081 |
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font_01_sfnt_off0000770f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x770F | 10168 bytes |
SHA-256: 5fb1177e42f54ab635b33b55db3fdfae8faf5bd3675c00392c635caa10676200 |
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font_02_sfnt_off0000995d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x995D | 4324 bytes |
SHA-256: 9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2 |
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