MALICIOUS
242
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 benign Shopify domains but one critical link to a known malicious redirector. The presence of a 'download button' heuristic further supports the lure. The primary malicious IOC is the redirector URL, which likely leads to further malicious content or exploits.
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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PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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.cc/pify?keyword=bacula+server+linux In PDF document text
- http://files.yardmanpress.com/uploads/1/3/1/3/131398374/9751238.pdfIn PDF document text
- http://files.hsccmilwaukee.com/uploads/1/3/0/8/130813715/kapafoxunesozuf.pdfIn PDF document text
- http://files.sleepingbeeathome.com/uploads/1/3/0/8/130814682/3567921.pdfIn PDF document text
- http://files.fibrocysticbreastnaturalhealth.com/uploads/1/3/0/9/130968943/gakuv.pdfIn PDF document text
- http://files.12stepstolovingtheself.com/uploads/1/3/1/6/131637679/vedubezadozu-zogizunosizap-guvinafevopas-pozusewuzusetu.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/1/0428/3075/8054/files/mulobafod.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4492/0734/files/topofatufipegakupok.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0727/0312/files/savegubi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1506/1153/files/41962396499.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4227/5485/files/60807374902.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5570/9341/files/pitotewupelovogeje.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/9889/7574/files/83452054873.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/1043/1896/files/radaminozarav.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9128/7450/files/8x12_lean_to_shed_plans.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/4982/9023/files/italian_stories_for_beginners.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/4953/4111/files/pasonokubezaj.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/riwemabosemuridaredexe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9569/5268/files/35991706599.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/5471/9395/files/cs_lewis_short_stories.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_off00007189.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7189 | 4968 bytes |
SHA-256: 4d212aa27eff95a3b56631a55f8d56cea0ecfc3f3455c311364e45bfc9753b64 |
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font_01_sfnt_off0000827c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x827C | 10520 bytes |
SHA-256: 4fb4830d294fb03951b5144ede5db83e7287330c4e48a8ac984707a7cd013965 |
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