MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a large number of embedded links, many of which point to external PDF files, indicating a link farm for SEO manipulation. One of the primary links, 'https://ttraff.cc/wb?keyword=hardware%20maintenance%20manual%20lenovo%20t410', is flagged as a malicious redirector. The document body, though partially corrupted, contains text related to a hardware maintenance manual, suggesting a lure to entice users to click the malicious link. No scripts were extracted from this sample.
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=hardware%20maintenance%20manual%20lenovo%20t410 In PDF document text
- http://files.excelbusinessintelligence.com/uploads/1/3/1/3/131380845/333d30d.pdfIn PDF document text
- http://files.brentcue.com/uploads/1/3/1/4/131482916/nosubozunisagosatuji.pdfIn PDF document text
- http://sinod.alienspacemonkeys.com/uploads/1/3/1/3/131381679/xobarupamidapob.pdfIn PDF document text
- http://files.elkfordcurling.ca/uploads/1/3/0/9/130969192/b98df.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/1/0431/1020/3556/files/lovubasumaguza.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5254/7739/files/zawoz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5053/2001/files/kinitojuve.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9802/9733/files/77294633775.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2118/9788/files/nowamosonajabej.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/7921/8840/files/56668702608.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/88075317933.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4349/5841/files/86140694809.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/1301/2636/files/lemozogi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/5040/1945/files/natebiliwawutolug.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9869/3013/files/pyrolysis_gasification.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
🗂 Part of campaign:
elkfordcurling.ca
4 samples
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d84a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD84A | 5300 bytes |
SHA-256: fdcc5c0be73dca95ddc9d47fb6c61e85c8292fd9d0f266dde883b222e209af5c |
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font_01_sfnt_off0000ea5d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA5D | 15940 bytes |
SHA-256: ddbf740da0ef905bfa2dc042545f07d01728ef3f0e84c6095fee4c2659a55f43 |
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font_02_sfnt_off00011b89.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11B89 | 16080 bytes |
SHA-256: a23d6b0e1f044af2ecf8dc4372f224102370a4a94617cb3c5804d154822908ba |
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