MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains multiple embedded links, with one identified as a malicious redirector. The document body, though heavily obfuscated, contains text related to a video game mod ('Gta 4 lcpdfr taser not working'), likely serving as a lure. The presence of numerous external PDF links, many hosted on cdn.shopify.com, suggests a link farm or SEO poisoning tactic to distribute the malicious content. The ML classifier strongly indicates malicious intent.
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.cc/wb?keyword=gta%204%20lcpdfr%20taser%20not%20working In PDF document text
- http://files.cornflowerglass.com/uploads/1/3/2/7/132740253/supelaligarug.pdfIn PDF document text
- http://files.michelleleblancshortstories.com/uploads/1/3/1/1/131164113/2df4f18b3da.pdfIn PDF document text
- http://files.holdenengineeringinc.com/uploads/1/3/2/7/132712011/xutanonatobenikoxe.pdfIn PDF document text
- http://files.sscoinworks.com/uploads/1/3/0/9/130969481/kudalubokowipak.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/1/0435/2973/2248/files/gewogutivonam.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/5733/0853/files/41823313306.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/4645/1862/files/61585154974.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/2507/2282/files/zinunesu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/7206/8520/files/kebetidaw.pdfIn PDF document text
- https://sawamadet.files.wordpress.com/2020/07/meretegifus.pdfIn PDF document text
- https://rilamexix970799637.files.wordpress.com/2020/06/vopexaxowovojedi.pdfIn PDF document text
- https://femoretip.files.wordpress.com/2020/06/doxadizegutivixinurumob.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/5827/5238/files/jivadomiketomow.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/2631/7473/files/vulewivudule.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9661/2768/files/7234442226.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0278/1083/files/27718257417.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3459/0888/files/23727785815.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/mejamuzeditika.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/9179/6902/files/marekulemazogo.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_off00007fd9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7FD9 | 5388 bytes |
SHA-256: 3163eb81dd2d8090c316a1e1e3fa9e96dedb74a91e60c8be9b7e31f3f9a8f3d0 |
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font_01_sfnt_off0000925d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x925D | 9980 bytes |
SHA-256: e5384bbda90c66228ca9e34bec38fd91381cafa30df54e997c73a1447abc82c0 |
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