MALICIOUS
214
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF is an image-only document designed as a lure, containing a clickable link that redirects to malicious infrastructure. The PDF_IMAGE_LURE and PDF_MALICIOUS_REDIRECTOR_LINK heuristics confirm this. The document also contains a PDF link farm, with the primary redirector URL being ttraff.cc.
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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Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LUREPDF has 2 image(s), only 0 text block(s), carries a click-outward action, and is only 35 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
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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/wb?keyword=lennox%207500%20thermostat%20installation%20manual In PDF document text
- http://files.kdfiredup.com/uploads/1/3/1/4/131406811/risopawi_lenuvosokatibeb_vatuvedobiteja_nuxixoz.pdfIn PDF document text
- http://files.teammissionsports.com/uploads/1/3/0/7/130739850/5955825.pdfIn PDF document text
- http://files.skinnykittyfarms.com/uploads/1/3/0/7/130776826/gusapilupel_latoniw.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://bavorekivaso.files.wordpress.com/2020/06/46384447083.pdfIn PDF document text
- https://sikubisuv.files.wordpress.com/2020/07/tofagawalupad.pdfIn PDF document text
- https://mekerug368181460.files.wordpress.com/2020/06/76874051788.pdfIn PDF document text
- https://sifebefub.files.wordpress.com/2020/07/paxodosefokolewejibaki.pdfIn PDF document text
- https://wepolasonere.files.wordpress.com/2020/06/85334160418.pdfIn PDF document text
- https://tuwamekanud.files.wordpress.com/2020/07/galiga.pdfIn PDF document text
- https://kofanuga.files.wordpress.com/2020/07/tuxodixesoxeripirujowow.pdfIn PDF document text
- https://dorolej.files.wordpress.com/2020/06/rafokusefajet.pdfIn PDF document text
- https://sisukone.files.wordpress.com/2020/07/23983667586.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/1609/3849/files/54254667435.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/test_1879eb6a-339e-4d45-a409-571cd94a4742.pdf?v=1594212285In PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/fuxojusi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/9818/6652/files/povesoneje.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0456/7450/files/5725415262.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4741/1096/files/pifakutonoxepusarepetemol.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6057/5912/files/1800223776.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6018/2692/files/12569869706.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_off000055ca.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x55CA | 5160 bytes |
SHA-256: ecbbe3c654eae8b6784f1317441cf60185493e6f9446f9530685a492d41d3304 |
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font_01_sfnt_off00006733.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6733 | 7692 bytes |
SHA-256: 41bc99ff78d78feaf87e69af230554a0e0d78e5a13e29b0db38eb94e92a4929c |
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