MALICIOUS
234
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, specifically pointing to 'ttraff.cc'. The document body, though heavily obfuscated, contains the same URL and a series of benign-looking PDF links hosted on Shopify, likely as a distraction or to appear legitimate. The primary malicious intent appears to be redirecting the user to the 'ttraff.cc' URL, which is known to host malicious content.
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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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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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=present+continuous+tense+worksheets+with+answers+pdf In PDF document text
- http://files.lukasstanley.com/uploads/1/3/1/4/131438180/5bb0b24.pdfIn PDF document text
- http://files.wintercreekwildlifeartunlimited.com/uploads/1/3/2/6/132683137/tevaxewivosim-varom-gomitubupil.pdfIn PDF document text
- http://files.mobadanceacademyus.com/uploads/1/3/0/7/130739202/4403828.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/1/0432/4248/7972/files/xofatopuvibinenidap.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7741/0720/files/4122610163.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/3446/0828/files/10262691234.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/nagexonulelaxefirulilona.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1993/5655/files/xapop.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3064/1826/files/95637820123.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/1381/6995/files/80556375312.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/3834/9211/files/the_strain_trilogy.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/5513/7447/files/24897387674.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/8730/5629/files/kibemedekiganorefozojow.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/2439/7989/files/7334839442.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9639/1323/files/nimavidumam.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_off000057d1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x57D1 | 5368 bytes |
SHA-256: cc2dd72ee742cc17948b41d8e7d97168a08a9c7bcbc9417192485275e60b87c6 |
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font_01_sfnt_off00006a24.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6A24 | 10336 bytes |
SHA-256: a7d6d42c75b0f34c0a0bf751825512f7c21c68cf6ebbe8f13f0e173db7712407 |
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