MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged as malicious by an ML classifier and contains a large number of embedded links, with at least one pointing to a known malicious redirector. The document body, though obfuscated, contains the same URL as the malicious redirector, suggesting a lure to a phishing or malware distribution site. The presence of numerous other links, many hosted on Shopify, indicates a link farm designed to obscure the ultimate destination.
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.com/pify?keyword=types+of+pulse+width+modulation+pdf In PDF document text
- http://files.circusparkmedicalvillage.org/uploads/1/3/1/4/131437044/7335143.pdfIn PDF document text
- http://files.areyoujustified.com/uploads/1/3/1/6/131636781/bunijivunivot-naludilivok.pdfIn PDF document text
- http://files.briggsquarterhorses.com/uploads/1/3/1/4/131453206/8311389.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/1/0433/6294/3144/files/61197722596.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5904/3749/files/77924022755.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6943/2230/files/mopubov.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/2282/6142/files/tebumulani.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4424/9499/files/advanced_english_tenses_exercises.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/3331/3958/files/vafevexegupobinamezoje.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/1395/6007/files/21856275619.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/9083/6632/files/algedonic_free_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7048/8730/files/xododivefip.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3100/2269/files/xubedipuruxexojirewepozi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/9902/7611/files/28288223031.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/8125/3535/files/51413953645.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9723/5363/files/limifasaduvasiwoxo.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000a0d1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA0D1 | 5328 bytes |
SHA-256: 7d6c8fef0b4d0d11e5e7f699b218a435190a9e07a8354bc3575aa94d1d1db13b |
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font_01_sfnt_off0000b2eb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB2EB | 14572 bytes |
SHA-256: 6b2d60737beb47c774294b043f2f35273d341416b89d0c67b7f9fd63bde2b0d6 |
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font_02_sfnt_off0000e117.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE117 | 16064 bytes |
SHA-256: 0da5b551d84a453f500a6ba8ca1adfd4400b36dae0f103b74fb712e1a4f46a36 |
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