MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file contains a large number of embedded links pointing to various domains, forming a link farm. One of the primary links redirects to a known malicious redirector. The ML classifier also strongly indicated maliciousness. The document body appears to be obfuscated or corrupted, preventing a clear understanding of its lure, but the extensive link farm and redirector strongly suggest an intent to lead the user to malicious content.
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=operators%20in%20programming%20pdf In PDF document text
- http://files.flyinktattooparlor.com/uploads/1/3/1/3/131379999/jilokonedun_gunim_gusuvevavuk.pdfIn PDF document text
- http://files.asisproperties.com/uploads/1/3/1/4/131438155/fosujex.pdfIn PDF document text
- http://files.neighborhoodhousenursery.org/uploads/1/3/0/7/130739837/vovuziw.pdfIn PDF document text
- http://files.saraarnoldbooks.com/uploads/1/3/0/8/130815437/sofodo_galiduguwuzox_nimetonudufo.pdfIn PDF document text
- http://files.quixotecommunities.org/uploads/1/3/1/6/131606003/rumokigibo.pdfIn PDF document text
- http://files.thebohemianphoenix.com/uploads/1/3/2/6/132695805/7630269.pdfIn PDF document text
- http://files.gavinroypresents.com/uploads/1/3/1/0/131070207/lepiwukirup.pdfIn PDF document text
- http://files.kappasigmamu.com/uploads/1/3/2/7/132710575/gakumibago.pdfIn PDF document text
- http://files.billyreynolds.com/uploads/1/3/1/8/131871907/dedujip.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://zezisid.files.wordpress.com/2020/07/bufakom.pdfIn PDF document text
- https://tofosigon.files.wordpress.com/2020/06/suwusasetoninekumaxex.pdfIn PDF document text
- https://zowigin.files.wordpress.com/2020/07/41930468034.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9688/3868/files/xidinekatavefowiguvagegu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/3831/9527/files/71006567366.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3506/5505/files/29269007209.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5817/5901/files/94292161254.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8671/6830/files/82369750286.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0940/0214/files/donebajedexikupetinipufo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2862/7099/files/63529404918.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9562/1796/files/gidimiwuditetuv.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/0235/6127/files/diragupuzivimiw.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_off0000703d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x703D | 5144 bytes |
SHA-256: 5a497a64cd8e606612b7026e435eff6c676c08b2a52ffe5d4b4c91eb860e5237 |
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font_01_sfnt_off0000819f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x819F | 10272 bytes |
SHA-256: 14a04113b611604482aaab32fd3811c4dd7c864d83af58539d6b473a9f92ce54 |
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