MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, many of which point to a link farm hosted on Shopify. One of these links, https://ttraff.cc/pify?keyword=analytical+method+validation+guidelines+ich, is a known malicious redirector. The document body appears to be malformed or corrupted, but the presence of the malicious redirector and the link farm strongly indicate a phishing or malicious redirection attempt.
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=analytical+method+validation+guidelines+ich In PDF document text
- http://files.chalfontyogaandmeditationcenter.com/uploads/1/3/0/7/130739120/0e05169af8.pdfIn PDF document text
- http://files.killjoy.info/uploads/1/3/0/7/130775286/fikoxosulewo-duxatozon.pdfIn PDF document text
- http://files.findingmyselfforever.com/uploads/1/3/0/8/130814605/4ec2a23.pdfIn PDF document text
- http://mopaj.eastportfinancialgroup.com/uploads/1/3/2/3/132303382/60edaf3139dc.pdfIn PDF document text
- http://files.cyhmnslam.com/uploads/1/3/0/7/130775983/sawejejari.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/1/0427/9985/7823/files/33435385696.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/5967/5293/files/paulo_coelho_libros_11_minutos.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/7074/8827/files/vesej.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6423/7992/files/rukutalobef.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/1965/7635/files/weather_report_bandipur_hooghly.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/1791/0941/files/way_of_the_cobalt_soul_monk.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/8612/4958/files/11644706255.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9451/5614/files/boating_navigation_apps_for_android.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/2686/6599/files/jupexaxososewub.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/2004/0866/files/laponigalosiburozap.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4957/3784/files/watutifosazenugevevoluzo.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:
cyhmnslam.com
4 samples
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00007d70.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7D70 | 5408 bytes |
SHA-256: 77e4ef15954b78011645ba38d44668520eeedd5974a127d4ae70bfc833b0f8a0 |
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font_01_sfnt_off00008fb3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8FB3 | 10584 bytes |
SHA-256: 2c47f32e072fe383356fc44f38e0981d9e61280ec8df02acf52ffd2ca8a11df4 |
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