MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a heuristic firing for a malicious redirector link, directing users to 'ttraff.cc'. Additionally, it exhibits characteristics of a PDF link farm, embedding numerous external links, with the primary one pointing to a Shopify domain. The document body, though heavily obfuscated, contains text related to sales discounts, likely serving as a lure.
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.cc/wb?keyword=calculating%20sales%20discounts%20worksheets In PDF document text
- http://files.dependabullbulldogs.com/uploads/1/3/0/7/130775221/7c983.pdfIn PDF document text
- http://files.communitysolarvalueproject.com/uploads/1/3/2/7/132712302/5771250.pdfIn PDF document text
- http://files.cwwdelta.com/uploads/1/3/1/6/131637163/50e16528845f5.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/1/0427/6705/7063/files/dadugawuf.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/figarawevig.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/3521/4503/files/vufubofanekefikutevabike.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/1407/9143/files/jexelizimawupevafipari.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/rirolor.pdfIn PDF document text
- https://bimirofi.files.wordpress.com/2020/06/gutinixibosibovukib.pdfIn PDF document text
- https://kajekum.files.wordpress.com/2020/06/94758147544.pdfIn PDF document text
- https://vowifomijo.files.wordpress.com/2020/07/33016045384.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2518/6466/files/11526943382.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/5346/6271/files/buzigikavoxevasamuje.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7664/9124/files/85636265660.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4291/3952/files/30556327925.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0268/2789/files/95375100510.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/5676577217.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5341/5576/files/88560600032.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/5663/6828/files/7768195592.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0681/9493/files/8586494921.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/0537/0791/files/13460202737.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
🗂 Part of campaign:
dependabullbulldogs.com
4 samples
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000626e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x626E | 5260 bytes |
SHA-256: 46a1076df80301841788ebcdeec74643fc9c1a094dc1b9647e3a9e6a43881bb4 |
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font_01_sfnt_off00007459.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7459 | 10520 bytes |
SHA-256: fe95eb1bfed56004ef4a75525f9f0b8d3b1e04b595da5b2cf1fa580aac176b9f |
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