MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains numerous embedded links, with the primary link directing to a known malicious redirector. The document body, though partially corrupted, contains text related to a crossword answer and the malicious URL, suggesting a lure. The heuristic firings confirm the presence of malicious redirector links and a link farm, indicating an attempt to drive traffic to malicious sites. No scripts were extracted from this sample.
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=without+qualification+crossword+answer In PDF document text
- http://files.shapiropage.com/uploads/1/3/1/8/131860125/vusikaxif.pdfIn PDF document text
- http://zugiworar.en-technologiesinc.com/uploads/1/3/1/3/131398564/bupifusumujosasuze.pdfIn PDF document text
- http://files.ageniart.com.au/uploads/1/3/1/8/131856950/pimemataf-zidukegatufatak-lijum.pdfIn PDF document text
- http://vumobusef.theletiziafamily.com/uploads/1/3/0/8/130814017/6689249.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/1/0464/5771/6904/files/jungle_animal_coloring_pages.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/6952/2599/files/punjabi_bhajan_video_song.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/0978/4482/files/dofitetadanu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0445/5625/5396/files/70824999507.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/9117/9160/files/47533730944.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/3482/9222/files/greedy_algorithm_tutorial.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/1618/2166/files/best_app_to_read_books.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7449/4369/files/4297122888.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2619/4333/files/depamota.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0464/5231/0184/files/90860985290.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0447/3402/1788/files/88638619018.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6377/9240/files/lizemapawabamumed.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/3485/9930/files/63569632086.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_off000070fd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x70FD | 5340 bytes |
SHA-256: b20118efc3026e899c848055e7b26098e5f46a7df07767578dfba515cce4a34d |
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font_01_sfnt_off00008332.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8332 | 10340 bytes |
SHA-256: 83fcca3917b260d7f52ad630c2df80973209deb8285bb48fb0323d968716445c |
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