MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains multiple embedded links, with one pointing to a known malicious redirector (ttraff.ru). The document body, though heavily obfuscated, suggests a lure related to a 'reloading manual'. The presence of a large number of external PDF links, many hosted on Shopify, indicates a link farm or SEO manipulation tactic to drive traffic to malicious sites. No scripts were extracted, limiting the analysis of direct payload execution.
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/wb?keyword=sierra%20reloading%20manual%20online%20pdf In PDF document text
- http://files.aleksandrvoinov.com/uploads/1/3/2/7/132710671/sotulazolekugud_giruguwur_zawoxewajanori.pdfIn PDF document text
- http://files.freefringefest.com/uploads/1/3/1/3/131382330/2497916.pdfIn PDF document text
- http://files.henningrestorations.com/uploads/1/3/1/4/131406985/saxeg_zetefiwowinuta_kovubamo.pdfIn PDF document text
- http://files.scope-for-growth.com/uploads/1/3/0/7/130775952/3e3c641.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/1/0431/7180/7391/files/topafugetiworizusi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4930/3720/files/48866844697.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7753/2824/files/limuroxategeborajaka.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/1204107997.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/2021/4681/files/gilagevu.pdfIn PDF document text
- https://noginamopak.files.wordpress.com/2020/06/bakaj.pdfIn PDF document text
- https://xoxugopaba.files.wordpress.com/2020/07/78077510297.pdfIn PDF document text
- https://tokefinavat.files.wordpress.com/2020/07/kebizozedepanizevovati.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6665/3858/files/gideserosaxojosajub.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/55864873889.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1548/7133/files/pixatufuvuku.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/6251/0236/files/90893219911.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8704/4510/files/disum.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4757/4949/files/pejakazinad.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/3158/5180/files/75602913897.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_off00007403.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7403 | 5088 bytes |
SHA-256: f1621e591103625eb45c0cfdbafd9925fe115ec1dd4d383c21da752bed7c515f |
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font_01_sfnt_off0000852a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x852A | 10236 bytes |
SHA-256: b168ccceeac88eaec5e9cfefee1fce62ad753360bf75ff5c09e2bb33b29410a4 |
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