MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
T1203 Exploitation for Client Execution
The PDF contains numerous external links, many pointing to a redirector service (ttraff.cc) and then to other PDF files hosted on various domains. This indicates a link farm strategy, likely intended to obscure the final destination or to distribute malicious content. The presence of a malicious redirector link and the ML classifier's high confidence score suggest this PDF is part of a phishing or malware distribution campaign.
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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PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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/pify?keyword=php+form+if+submit+button In PDF document text
- http://winujo.robmartinmarketing.com/uploads/1/3/1/4/131407089/9368978.pdfIn PDF document text
- http://files.middletonandnewbigginparishcouncil.org/uploads/1/3/1/4/131452740/63f52.pdfIn PDF document text
- http://kugivivog.ritecookware.com/uploads/1/3/1/4/131453960/f43badd.pdfIn PDF document text
- http://files.townofbradfordwi.com/uploads/1/3/2/6/132695730/bitipoxunuzaw_rokinakir_xolureped_jatabe.pdfIn PDF document text
- http://files.rbfk.net/uploads/1/3/1/3/131379894/144820.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/1/0431/9569/5266/files/witagukinojalolarobagep.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/2756/9576/files/56553305325.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6535/2097/files/lezokitajuduwajufukex.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0292/0086/files/best_android_box_2016.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/0094/5048/files/ninizaroranukonugol.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4206/9918/files/katojamisadeji.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4945/0663/files/pekunewiwaxisegi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/0796/5345/files/adhd_treatment_plan_adults.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0239/5813/files/advanced_engineering_mathematics_zill.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6415/6575/files/ladunapi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/3927/7734/files/27073104313.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_off00007091.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7091 | 5040 bytes |
SHA-256: f376f70d62259db790a59bf3f60c5a2c1a3479319106125723ac7cab960a5b70 |
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font_01_sfnt_off00008190.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8190 | 10224 bytes |
SHA-256: 193a84cbf7ca94b2135a6c95039a1dd8b81643aa3a672403024de2820b59f2b5 |
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