MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a significant number of embedded links, with one heuristic specifically identifying it as a PDF SEO link farm. The primary malicious link points to a redirector, suggesting a chain of redirection to potentially malicious content. The ML classifier also strongly indicated maliciousness. No scripts were extracted, limiting the analysis of direct execution behavior.
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=winston+operations+research In PDF document text
- http://files.childrenschattermatters.com/uploads/1/3/1/1/131164552/sodegajadibipujak.pdfIn PDF document text
- http://bopuk.theaterinthepark.net/uploads/1/3/1/3/131397970/bigexawixalo.pdfIn PDF document text
- http://files.northernbugwear.ca/uploads/1/3/1/4/131407165/modofuda-tevuravikat-xejaduve-xewuzedalupus.pdfIn PDF document text
- http://files.doublebeehoney.com/uploads/1/3/0/8/130813730/gedurojerod.pdfIn PDF document text
- http://seriwe.huffmansflowersofthefield.com/uploads/1/3/0/7/130739892/jopegutoro.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/1/0431/9461/3924/files/30369180354.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8937/1044/files/zaxegawetoparat.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/6195/9070/files/angola_civil_war.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/6974/1983/files/pearson_world_history_assessment_answers.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0678/6725/files/xuposedobagutawevatebula.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/9095/8749/files/40287301803.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/2896/3747/files/sokiregoposaletefe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5276/9192/files/vixuzixaweji.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2161/5775/files/60394499468.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/4056/9509/files/36701074695.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1256/2849/files/newafoji.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6710/5687/files/pufakebidemamefufo.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_off00004c83.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4C83 | 13008 bytes |
SHA-256: 7b41c92fa54ffeca6b9d74067f38a075e9a34456e314152d95468cccfb3068d2 |
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font_01_sfnt_off00007670.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7670 | 5004 bytes |
SHA-256: 6699e18e83be1c5f0d08ddca0fc50caafcd0a66ad6536e2e761cab9f894df304 |
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font_02_sfnt_off00008770.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8770 | 10240 bytes |
SHA-256: 7f2e3364ac28753d4d14e227cffa8f61755f2229a5917989171c1bc8325e81de |
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