MALICIOUS
242
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
T1059.007 JavaScript
This PDF document contains multiple links to a redirector service, which in turn points to a purported 'Bitdefender 64 bit offline installer'. The document also explicitly instructs the user to disable security software, a common tactic in phishing and malware distribution. The presence of numerous external links, many pointing to Shopify-hosted PDFs, suggests an attempt to create a link farm for SEO purposes, likely to improve the visibility of the malicious download lure.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 7
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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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Security software disable instruction high SE_SECURITY_BYPASSDocument instructs the user to disable antivirus or security software — unusual for ordinary documents and high-risk in an unsolicited file
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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.com/pify?keyword=bitdefender+64+bit+offline+installer In PDF document text
- http://files.dubelt.org.pl/uploads/1/3/0/7/130739204/powawenux-wibewiwisajetez-junemobe-vijorikixo.pdfIn PDF document text
- http://files.wickedgoodhenna.com/uploads/1/3/1/3/131380915/6160218.pdfIn PDF document text
- http://files.ledgewoodwater.org/uploads/1/3/2/7/132740871/dexozalamu.pdfIn PDF document text
- http://files.shotz.website/uploads/1/3/0/9/130969904/kobivebun_tozuzibumis_mabunumexajeji.pdfIn PDF document text
- http://duzesosel.northlinefarms.com/uploads/1/3/0/7/130776873/viposojerejafofinigu.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/1/0428/1955/1388/files/73558300271.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/5497/1557/files/battle_ropes_workout.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/5381/6728/files/ruwinawo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/2286/7880/files/gaxugunovaponog.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/1548/8163/files/16069946705.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8671/6830/files/dorekufejotix.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4324/9563/files/1157140517.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/6345/2583/files/74807528225.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/0133/0339/files/chromebook_keyboard_shortcuts.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3251/8555/files/29890205136.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5930/5880/files/bivuf.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3761/3461/files/dejevusorijinok.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_off00006cc9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6CC9 | 5332 bytes |
SHA-256: b998cb5c18c09ebf61e0acb04dc9e16bbf3b2bc405d07c04405d2b83b5661f76 |
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font_01_sfnt_off00007eef.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7EEF | 10184 bytes |
SHA-256: 3029aedb6b6000a642be6d31c901f0494b657268f304fc5a69050ff5b43eacfa |
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