MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a mass external link farm, with many links pointing to Shopify domains hosting PDF files, and one critical link to a known malicious redirector infrastructure at 'ttraff.ru'. The document body, though heavily obfuscated, contains references to 'abbyy pdf transformer 3.0 serial number' and includes the malicious URL, suggesting a lure for cracked software. The presence of a visual download button heuristic further supports this phishing pretext.
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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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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=abbyy+pdf+transformer+3.+0+serial+number+laz%25C4%25B1m In PDF document text
- http://nomosedor.whspta.com/uploads/1/3/2/3/132303410/namiwebijufepopibit.pdfIn PDF document text
- http://kigelosog.robertsiteach.org/uploads/1/3/2/6/132682883/nupate-tilazopeb-wadedok.pdfIn PDF document text
- http://jajedix.nddistrictyouth.org.uk/uploads/1/3/1/4/131406437/6244726.pdfIn PDF document text
- http://files.madebyloulou.net/uploads/1/3/1/8/131871891/59bfb6ba928ffb6.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/1/0429/9315/6259/files/18767679586.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5229/3541/files/kudigagawofiro.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/9927/3896/files/7597218319.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8419/3697/files/list_of_cities_in_the_usa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/1514/2551/files/95176804779.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/3371/3050/files/70785906935.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0441/1850/7672/files/photoshop_hosts_file.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9373/8143/files/vavidam.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6888/3097/files/biluwevowofaxelosuvi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0406/6967/files/demuzipejenaxib.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/sujufizolotedugogu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0441/3535/0424/files/67022281381.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4375/0049/files/kijemomatoralivonelopedab.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6420/5216/files/abacus_level_5_worksheets.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0450/3538/9086/files/asymptomatic_hyperuricemia.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_off00005c34.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5C34 | 5836 bytes |
SHA-256: 69410b9b852cfdd8794709ad7e602c0fd277406ebea89a5f8d9f414881cd1e12 |
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font_01_sfnt_off0000700a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x700A | 10332 bytes |
SHA-256: 1924368fd1556b7196da8d603c115e246f2e6145a98d54ed95ef5270e8852247 |
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