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 a link farm hosted on Shopify. One of the primary links directs to a known malicious redirector at 'ttraff.com'. The document body, though heavily obfuscated, contains references to the same malicious URL, suggesting an attempt to disguise malicious activity under a seemingly innocuous topic. No scripts were extracted, limiting the analysis of direct execution behavior.
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.com/pify?keyword=thumb+isometric+exercises+pdf In PDF document text
- http://pepem.laurelgrovesc.com/uploads/1/3/1/6/131606490/2648565.pdfIn PDF document text
- http://files.lynnshuck.com/uploads/1/3/0/9/130969129/3d01f87.pdfIn PDF document text
- http://files.foothillsbiblefellowship.com/uploads/1/3/0/7/130776592/3a061.pdfIn PDF document text
- http://files.kellyhowardglass.com/uploads/1/3/0/7/130740049/b41bb8e8ee.pdfIn PDF document text
- http://files.aandgcleaningdc.com/uploads/1/3/2/7/132740982/7778527.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/1/0428/8384/2215/files/xonukuritudutasuk.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/9972/3678/files/36268699360.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0463/2998/files/9011826414.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/7328/2983/files/68118907934.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/1330/0647/files/dakizotem.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/3101/0199/files/nibomegujuwadekub.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6751/4788/files/lavozen.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/0867/2423/files/43767528998.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/6169/6925/files/rovetaxod.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7426/4992/files/que_es_el_enanismo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/5864/0534/files/vejojolo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9143/5422/files/jusugotuwuzakozemez.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/8271/8107/files/rusukarulozo.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
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000072f7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x72F7 | 5312 bytes |
SHA-256: d5daa4d4216e4dcaeec41cd3e9c7373b96c1950c056b81089a5b31600759e9ab |
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font_01_sfnt_off000084df.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x84DF | 14064 bytes |
SHA-256: d9ce14c61e7f4bf29129c62d7a4a0a600728ee7314bdb2278185e8bc72ee2e04 |
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font_02_sfnt_off0000b150.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB150 | 16204 bytes |
SHA-256: 31aa257675234f953cb39254c73a0c002637764ec2691c470e0912636c3685cf |
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