MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a critical heuristic firing for a malicious redirector link, pointing to ttraff.com. The document body, though partially corrupted, contains the same URL and text suggesting a lure for a 'solutions manual'. The PDF also exhibits characteristics of a link farm, with numerous embedded URLs, many hosted on cdn.shopify.com, likely to improve SEO and evade detection. The ML classifier strongly flagged this PDF as malicious.
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.com/wb?keyword=statistics%20for%20business%20and%20economics%208th%20edition%20newbold%20solutions%20manual In PDF document text
- http://files.hideawayfarmar.com/uploads/1/3/0/7/130740573/pipevoponakigukukim.pdfIn PDF document text
- http://files.westburybondreferendum.org/uploads/1/3/1/4/131454355/2977560.pdfIn PDF document text
- http://files.wildlifeworldwidephotographycompetition.com/uploads/1/3/2/7/132740343/nemumovekiso-rifoxavugas-dijewo-xapizivej.pdfIn PDF document text
- http://files.toplevelpi.com/uploads/1/3/2/6/132682822/1676941.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/1/0432/5595/5624/files/xonitilarunegixowu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/8379/0491/files/maxiwoluxalolubijiv.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/4077/5064/files/sirefi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7077/4693/files/67409516067.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/7590/2363/files/10034960432.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/0152/6948/files/25800504503.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4293/8784/files/6619116297.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/6670/4550/files/hand_warmer_terraria.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/1642/1529/files/fiwosoti.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/7359/1703/files/95886215377.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/0197/0837/files/sadinibidarijutepeka.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6785/0390/files/wofuv.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_off0000aadc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAADC | 5792 bytes |
SHA-256: bbcf2c3ce90220539c7b0ac1f740eb5f3f4638491c78be983f5e128439d39f0c |
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font_01_sfnt_off0000be73.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBE73 | 16300 bytes |
SHA-256: 92a7363f9f9e7fcb0d6a0849b556075d4a42a885ba3fcb97b805fddef17e4dd2 |
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